Method get_usage

tools/python-3.11.9-amd64/Lib/optparse.py:1571–1576

(self)

        self.exit(2, "%s: error: %s\n" % (self.get_prog_name(), msg))

    def get_usage(self):
        if self.usage:
            return self.formatter.format_usage(
                self.expand_prog_name(self.usage))
        else:
            return ""

    def print_usage(self, file=None):
        """print_usage(file : file = stdout)